Step-by-step explanation:
78 76 67 66 80 77 77 84 74
correct them
5.28 rounded to the nearest tenth is 5.3
Answer:
It is (B) ED2021
Explanatory variable: time spent streaming videos
Response variable: time spent exercising
Its the third or the fourth
Answer:
4
Step-by-step explanation:
Simplify x and y by rationalising the denominator of both
To rationalise the denominator multiply the numerator/ denominator by the conjugate of the denominator.
The conjugate of 2 +
is 2 - 
The conjugate of 2 -
is 2 + 
x =
=
= 2 - 
y =
=
= 2 + 
Thus
x + y = 2 -
+ 2 +
= 4